Home / 48,431.66-72,651.63-13,371.31

Finding the Fourth Proportional to 48,431.66, 72,651.63 and 13,371.31

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Solution

The fourth proportional to 48,431.66, 72,651.63 and 13,371.31 is: 20,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,431.66 : 72,651.63 = 13,371.31 : x
  2. Step 2: Convert to fraction form
    48,431.66/72,651.63 = 13,371.31/x
  3. Step 3: Cross multiply
    48,431.66x = 72,651.63 × 13,371.31
  4. Step 4: Simplify right side
    48,431.66x = 971,447,607.69
  5. Step 5: Solve for x
    x = 971,447,607.69/48,431.66
  6. Step 6: Final answer
    x = 20,058.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.